News & Insights
Cowan, Liebowitz & Latman Once Again Wins the Managing IP Award for U.S. Trademark Prosecution Firm of the Year- Dasha Chestukhin to Speak on Fashion Law Panels at NYU and Rutgers
- Trademark Law Alert--Trade Association Lacked Standing to Challenge Trademark Registration
- Cowan, Liebowitz & Latman is Hosting a CLE About Recent Copyright Developments for In-House Counsel
Case Studies
We succesfully represented our client, Major League Baseball Partners, Inc.
We established that cigarette rolling paper size designations are generic.
Federal Circuit upholds successful opposition against application to register LEHMAN BROTHERS for whiskey
The Second Circuit affirms summary judgment for our client.
Federal Circuit reverses cancellation of U.S. trademark registrations
What They Say
Kieran Doyle brings more than 25 years of experience to his trademark practice, advising clients on clearance, prosecution, protection and litigation matters. His experience spans a broad range of industries, including fashion, consumer products and retail, where he assists clients in managing complex brand protection and enforcement issues.
2026 Lexology IndexDeborah Squiers is a seasoned trademark practitioner with a focus on litigation, enforcement and portfolio management. She has successfully represented high-profile clients in complex disputes and manages global trademark portfolios for major international companies.
2026 Lexology Index“Welcomed back to the firm in January 2025, Louis Ederer brings over four decades of experience representing some of the most iconic global brands. ‘Louis has a tenacity for serving his clients. He is fierce but fair and knows the relevant law inside and out.’”
2026 WTR 1000 – The World’s Leading Trademark Professionals“Deborah [Squier’s] advice is always excellent, with a sharp eye on the client’s needs and creative solutions.”
2026 WTR 1000 – The World’s Leading Trademark ProfessionalsWith more than 30 years of experience, Jonathan King handles a broad range of intellectual property disputes, with a particular focus on copyright litigation. His practice spans industries including music, healthcare and consumer products, and he has been involved in notable matters concerning digital copyright issues and the application of copyright law to emerging artificial intelligence technologies.
2026 Lexology Index
Why Us
Founded in 1957, we maintain long-term relationships by providing sound advice, quality legal work, and highly-responsive, personalized service.
What We Do
We represent clients of all sizes across a broad range of industries. The boutique size of our firm, and the breadth of our practice capabilities, allow us to provide a multidisciplinary approach in a cost-effective manner.
Our Clients
Our experience spans a broad range of industries and is international in scope. We appreciate the opportunity of growing with successful companies and brands, as well as creative individuals and accomplished executives.
